Nice trick! Congratulations. And it still works if I modify it to run from the stdin from perl. 

CORE:: is not a keyword at - line 1.

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This works with older versions of perl too, including perl 5.12.3.

In reply to Re^2: Is there a non-empty error quine in perl? by ambrus
in thread Is there a non-empty error quine in perl? by ambrus

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